Circuit Analysis

Forum

Topics

Posts

Last post

Vintage Stompbox Corner ( ... - 1975)
Discussion regarding early stompbox technology: 1960-1975 Please keep discussion focused and contribute what info you have...
Topics: 642

642 Topics

14615 Posts

Last post Re: Colorsound - Wah-Wah Supr…
by Professor SourTone View the latest post
Yesterday, 16:05
Modern Stompbox Effects (1975 - ...)
All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.
Topics: 1415

1415 Topics

21394 Posts

Last post Re: Darkglass - Tone Capsule
by tommymariot View the latest post
Yesterday, 23:20
Boutique Stompboxes dissected...
General documentation, gut shot, schematic links, ongoing circuit tracing, deep thoughts ... all about boutique stompboxes.
Topics: 1759

1759 Topics

56159 Posts

Last post Re: Daredevil - Logan Square …
by Nocentelli View the latest post
Today, 12:39
DIY Stompbox designs
Stompboxes circuits published in magazines, books or on DIY electronics websites.
Topics: 1056

1056 Topics

10751 Posts

Last post Re: What are the purpose of m…
by BurgerCrisis View the latest post
11 Jul 2020, 04:10

Active topics

Replies

Views

Last post

The great "I'd like to see the guts of" thread

Last post by Cyberjazz1521 « 27 May 2020, 00:20
Replies: 224
by Dirk_Hendrik » 13 Mar 2008, 20:45
1

…

8

9

10

11

12
Rating: 9.96%

Maybe a little optimistic in the title since this thread might drop down in days but I'm going to make it a thread anyway. :mrgreen:

We're here...
224 Replies

341136 Views

Last post by Cyberjazz1521
27 May 2020, 00:20
List of Joyo Pedal Clones

Last post by Pegasus « 28 Dec 2018, 06:19
Replies: 100
by din_mentor » 07 Feb 2012, 12:28
1

2

3

4

5

6
Rating: 12.12%

Hi, totally new to this forum :mrgreen:
I Guess this is THE place for effects pedal questions.

Been looking around for confirmed Joyo pedal clones,...
100 Replies

315356 Views

Last post by Pegasus
28 Dec 2018, 06:19
READ THIS before posting!!

Last post by modman « 11 Sep 2011, 14:52

by modman » 11 Sep 2011, 14:52

Rating: 1.52%

This section is devoted to circuit analysis . This means...

requests for schematics or layouts will be moved the the Request section
messages...

0 Replies

43206 Views

Last post by modman
11 Sep 2011, 14:52
DO NOT post requests in this forum. Pretty please.

Last post by modman « 19 Mar 2010, 10:41
Replies: 2
by culturejam » 22 Nov 2009, 22:18

Pretty please, with sugar on top.

Don't post in this forum asking is there is a schematic or layout or info on XXX pedal.

There is a subforum...

2 Replies

43175 Views

Last post by modman
19 Mar 2010, 10:41
DO NOT post requests in this forum. Pretty please.

Last post by lolbou « 22 Nov 2009, 22:23
Replies: 1
by culturejam » 22 Nov 2009, 22:18

Pretty please, with sugar on top.

Don't post in this forum asking is there is a schematic or layout or info on XXX pedal.

There is a subforum...

1 Replies

40708 Views

Last post by lolbou
22 Nov 2009, 22:23
DO NOT post requests or debugging in this forum. please.

Last post by lolbou « 22 Nov 2009, 22:23
Replies: 1
by culturejam » 22 Nov 2009, 22:18

Pretty please, with sugar on top.

Don't post in this forum asking is there is a schematic or layout or info on XXX pedal.

There is a subforum...

1 Replies

53131 Views

Last post by lolbou
22 Nov 2009, 22:23
The Goose, the Middleman, the Idolmaker and Gomer Pyle

Last post by noelgrassy « 01 Feb 2008, 20:42
Replies: 91
by CS Jones » 07 Dec 2007, 22:41
1

2

3

4

5
Rating: 0.22%

Clay, I would really love to hear the full story on this one. It seems like you have lots to tell!

Thanks LPD. How much do you want to hear? The...
91 Replies

164914 Views

Last post by noelgrassy
01 Feb 2008, 20:42
Daredevil - Logan Square Destroyer

Last post by Nocentelli « Today, 12:39
Replies: 3
by cheesenubs » 06 May 2020, 03:40

Rating: 0.65%

Hello, new to this forum and modding pedals in general. Looking for a schematic for the Daredevil Logan Square Destroyer V1. Posted gut shots. It...

3 Replies

482 Views

Last post by Nocentelli
Today, 12:39
Bernard Raunig - Tube Pre Amp

Last post by soulsonic « Today, 05:36
Replies: 6
by modman » 28 Jun 2020, 13:02

Rating: 0.65%

83569264_10156919208691707_8594595846472130556_o.jpg
105977241_10156921274011707_5289649324895385589_n.jpg

6 Replies

497 Views

Last post by soulsonic
Today, 05:36
Darkglass - Tone Capsule

Last post by tommymariot « Yesterday, 23:20
Replies: 14
by tommymariotti » 06 Jul 2020, 13:17

Rating: 2.38%

Dear all,
A friend of mine have a Darkglass Tone Capsule. Actually he send me a photo of the device.
I asked more Photos with more details.
Somebody...

14 Replies

777 Views

Last post by tommymariot
Yesterday, 23:20
JHS Colour Box

Last post by Dr.Detroit « Yesterday, 21:19
Replies: 3
by DarkHorse » 07 Jul 2020, 19:14

Rating: 0.65%

I searched and didn’t find a thread.

Here are gut shots I found on the web...

6EF2F920-90F8-43BC-AA24-BBCA45979596.jpeg

3 Replies

442 Views

Last post by Dr.Detroit
Yesterday, 21:19
Joyo - JF-13 AC Tone

Last post by Hanky- « Yesterday, 20:37
Replies: 68
by Steven_M » 29 Jun 2011, 22:02
1

2

3

4
Rating: 7.58%

I think we all pretty much know what this is, but as I have one sitting here, I thought I'd take a few shots.

Outside.JPG
Outside is actually a...
68 Replies

79523 Views

Last post by Hanky-
Yesterday, 20:37
MXR - Custom Audio Electronics - Boost/Overdrive MC-402

Last post by TheKoala « Yesterday, 19:06
Replies: 40
by okgb » 20 Jul 2010, 15:29
1

2

3
Rating: 1.73%

I thought this one sounded decent for a chip
i opened the boost / dist combo box but the smt parts
are impossible for me to see and it was a little...
40 Replies

23943 Views

Last post by TheKoala
Yesterday, 19:06
MXR Custom Audio Electronics Boost/Overdrive MC402

Last post by TheKoala « Yesterday, 16:08
Replies: 2
by TheKoala » Yesterday, 10:26

Hello everybody !

First post here, I have been looking at plenty of schematics for the past months and I really want to thank you for all the work...

2 Replies

99 Views

Last post by TheKoala
Yesterday, 16:08
Colorsound - Wah-Wah Supremo

Last post by Professor SourTone « Yesterday, 16:05
Replies: 9
by Gila_Crisis » 30 Sep 2008, 13:28

Rating: 0.22%

has someone some more infos about this colorsound wahwah?

i saw some guts and i see there are 2 inductuor inside it. is there a schem somewhere?

9 Replies

3923 Views

Last post by Professor SourTone
Yesterday, 16:05
Colorsound - Sustain Module

Last post by d312a « Yesterday, 06:38
Replies: 12
by Professor SourTone » 11 Dec 2015, 16:09

Rating: 1.3%

I have the tranny numbers written down at home
D2DB32A4-2741-457D-B485-29F292EA7399_zpsgbxx1exx.JPG...

12 Replies

3737 Views

Last post by d312a
Yesterday, 06:38
JHS Twin Twelve V1

Last post by dylan159 « 12 Jul 2020, 17:43
Replies: 6
by POTL » 18 Jul 2017, 06:57

Rating: 2.81%

Hi
Look on this :D

P.S. you need adding 18 power converter with Max1044(ICL7660S)

6 Replies

2700 Views

Last post by dylan159
12 Jul 2020, 17:43
Cá độ Esport tại nhà cái uy tín hiện nay

Last post by Intripped « 12 Jul 2020, 12:21
Replies: 2
by deltafred » 11 Jul 2020, 09:16

Rating: 0.65%

Shit. I clicked Thank instead of Report .

Is there any way of un-thanking?

2 Replies

205 Views

Last post by Intripped
12 Jul 2020, 12:21
MXR - Micro Chorus

Last post by GorillaHuman « 11 Jul 2020, 15:53
Replies: 153
by bluesbreaker62 » 10 Aug 2009, 16:47
1

…

4

5

6

7

8
Rating: 5.63%

Hi all,

I've been enjoying this forum for too long without contributing anything.

I hope you like it:

Pics were re-uploaded here

If you need...
153 Replies

97804 Views

Last post by GorillaHuman
11 Jul 2020, 15:53
Rams Head Big Muff 2N5133, FS36999 hFE notes

Last post by Lani « 11 Jul 2020, 04:48
Replies: 12
by solderman79 » 02 Jan 2019, 02:26

Rating: 1.73%

A few years ago I posted the actual hfe of Q1-Q4 from a 1974 Rams Bead Big Muff with FS36999 transistors as measured using a Peak DCA55. They were:...

12 Replies

5469 Views

Last post by Lani
11 Jul 2020, 04:48
What are the purpose of multiple transistors ?????

Last post by BurgerCrisis « 11 Jul 2020, 04:10
Replies: 5
by SYK0T3K » 27 Jun 2020, 01:05

Rating: 0.87%

Hello Guys :D !! I am really excited that I found this awesome forum and helpful community, as I am starting to build my first pedal, which is a...

5 Replies

364 Views

Last post by BurgerCrisis
11 Jul 2020, 04:10
Mad Professor - Simble

Last post by rtcustom « 10 Jul 2020, 11:47
Replies: 58
by ipm » 27 May 2014, 22:36
1

2

3
Rating: 16.45%

Anyone?
I would really like to know what is it all about!
58 Replies

24530 Views

Last post by rtcustom
10 Jul 2020, 11:47
Craig Anderton, Build a Fuzzbox for under $3, Popular Electronics, January 1967

Last post by soulsonic « 10 Jul 2020, 02:07
Replies: 7
by modman » 08 Jul 2020, 17:03

Rating: 1.08%

Poptronics-1967-01-OCR-Page-0081.jpg
Poptronics-1967-01-OCR-Page-0084.jpg

PDF: Poptronics-1967-01-OCR-Page-0081.pdf...

7 Replies

285 Views

Last post by soulsonic
10 Jul 2020, 02:07
Rams Head Big Muff FS36999 hFE measured

Last post by andy-h-h « 09 Jul 2020, 22:21
Replies: 16
by solderman79 » 16 Nov 2015, 12:49

Rating: 7.58%

I would like to start by saying my post here is purely informational in nature. I've had the chance to actually measure the hfe of the FS36999...

16 Replies

9058 Views

Last post by andy-h-h
09 Jul 2020, 22:21
REAGUN DISTORTION traced

Last post by Manfred « 09 Jul 2020, 21:46
Replies: 1
by Manfred » 03 Jul 2020, 13:30

Rating: 0.43%

While cleaning up I found this incomplete Reagun Distortion that I bought years ago.
Anyway, now I have traced it.
Here the PCB layout and the...

1 Replies

258 Views

Last post by Manfred
09 Jul 2020, 21:46

Return to Board Index